Dennis Sullivan, MD
NPI 1184683385 · Orthopaedic Surgery Physician · Milwaukee, WI
Dennis Sullivan, MD is a Orthopaedic Surgery Physician provider in Milwaukee, WI (NPI 1184683385).
Provider details
- NPI number
- 1184683385
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 19396 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-17
- Last updated
- 2014-05-29
Frequently asked questions
- What is Dennis Sullivan's NPI number?
- Dennis Sullivan's National Provider Identifier (NPI) is 1184683385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Sullivan's specialty?
- Dennis Sullivan is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Sullivan located?
- Dennis Sullivan's practice location on file with NPPES is 1218 W Kilbourn Ave, Milwaukee, WI 53233-1330.
- What is Dennis Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Dennis Sullivan is (414) 276-6000.
- Is Dennis Sullivan's NPI active?
- Yes — Dennis Sullivan's NPI (1184683385) is active in the NPPES registry as of the last update on 2014-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.